Home / 3,884.80-5,826.32-1,111.44

Finding the Fourth Proportional to 3,884.80, 5,826.32 and 1,111.44

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Solution

The fourth proportional to 3,884.80, 5,826.32 and 1,111.44 is: 1,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.80 : 5,826.32 = 1,111.44 : x
  2. Step 2: Convert to fraction form
    3,884.80/5,826.32 = 1,111.44/x
  3. Step 3: Cross multiply
    3,884.80x = 5,826.32 × 1,111.44
  4. Step 4: Simplify right side
    3,884.80x = 6,475,605.10
  5. Step 5: Solve for x
    x = 6,475,605.10/3,884.80
  6. Step 6: Final answer
    x = 1,666.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.